Security Team Weekly Summary: November 9, 2017

Canonical

Canonical

on 9 November 2017

The Security Team weekly reports are intended to be very short summaries of the Security Team’s weekly activities.

If you would like to reach the Security Team, you can find us at the #ubuntu-hardened channel on FreeNode. Alternatively, you can mail the Ubuntu Hardened mailing list at: ubuntu-hardened@lists.ubuntu.com

During the last week, the Ubuntu Security team:

  • Triaged 201 public security vulnerability reports, retaining the 45 that applied to Ubuntu.
  • Published 13 Ubuntu Security Notices which fixed 33 security issues (CVEs) across 16 supported packages.

Ubuntu Security Notices

Bug Triage

Mainline Inclusion Requests

Updates to Community Supported Packages

  • Lucas Kocia (lkocia) provided a debdiff for xenial for firewalld (LP: #1617617)

  • Jeremy Bicha (jbicha) provided a debdiff for zesty for gdm3 (LP: #1729354)

Development

  • fixed last of snappy-debug updates (handle core vs classic policy), test, push to stable
  • reviews
    • PR 4105 – i386/socket/trusty testsuite fix
    • review apparmor.d man page patch from jj
    • PR 4109 – fix parsing of mountinfo fields
    • PRs 4123 and 4124 – fix bug in ofono interface
    • PR 4136 – snap-confine apparmor policy bug
  • https://forum.snapcraft.io/t/device-cgroup-is-applied-to-devmode-snap/2663

  • documented the content interface wrt shared libraries to follow store guidelines for cross-publisher sharing.
  • documented auto-connection for a specific plugging snap to a specific slotting snap
  • documented errno for different security backends
  • 1724785
  • PR 4114 don’t udev tag with devmode/classic snaps
  • PR 4115 udev tag serial-port interface with only path attribute
  • PR 4116 udev tag hidraw interface with only path attribute
  • PR 4127 don’t udev tag but add /dev/uhid to device cgroup
  • PRs 4131-4134 for 2.29
  • Migrated AppArmor to GitLab: https://gitlab.com/apparmor

  • [Work-in-progress] AppArmor support for multiple policy cache directories: apparmor/apparmor!4

  • Simplified usage of libapparmor cleanup functions by preserving errno: apparmor/apparmor!6

  • Landed upstream libseccomp changes to support new dynamic seccomp logging: seccomp/libseccomp#92

What the Security Team is Reading This Week

Weekly Meeting

More Info

Ubuntu cloud

Ubuntu offers all the training, software infrastructure, tools, services and support you need for your public and private clouds.

Newsletter signup

Select topics you’re interested in

In submitting this form, I confirm that I have read and agree to Canonical’s Privacy Notice and Privacy Policy.

Related posts

Robots that run Ubuntu

The home for innovators, Ubuntu is a place where developers can create what previously lived solely in the realms of fiction. The internet of things, the cloud, and robots are world changing technologies and they’re all running Ubuntu.…

Ubuntu updates for L1 Terminal Fault vulnerabilities

For up-to-date patch, package, and USN links, please click here. Today Intel announced a new side channel vulnerability known as L1 Terminal Fault. Raoul Strackx, Jo Van Bulck, Marina Minkin, Ofir Weisse, Daniel Genkin, Baris Kasikci,…

National Cyber Security Centre publish Ubuntu 18.04 LTS Security Guide

Last week the NCSC (National Cyber Security Centre) in the UK issued their latest publication which gives advice on how to configure Ubuntu 18.04 LTS in accordance with their security best practices. The National Cyber Security Centre…